[GML] string_lower_ascii()

/// string_lower_ascii(string, offset)
/// @description Faster implementation for lowering short ASCII strings (e.g. "John Smith" -> "john smith")
/// @param string
/// @param offset   default = 0
/// return: string

repeat(string_length(argument0)-argument1)
{
    if (string_byte_at(argument0, ++argument1) <= 90 && string_byte_at(argument0, argument1) >= 65)
    {
        argument0 = string_set_byte_at(argument0, argument1, 32+string_byte_at(argument0, argument1));
    }
}

return argument0;